package com.xch.filter;

import com.xch.util.UserUtil;

import javax.servlet.*;
import javax.servlet.annotation.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter({"/admin/index.html","/admin/views/*","/express/*"})
public class accessControllerFilter implements Filter {
    public void init(FilterConfig config) throws ServletException {
    }

    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws ServletException, IOException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse res = (HttpServletResponse) response;
        String userName = UserUtil.getUserName(req.getSession());
        if(userName != null){
            chain.doFilter(request, response);
        }else{
            res.sendError(404,"權限不足");
        }
    }
}
